F. G. Hammond - 09 Aug 2021 Form 4 Insider Report for ASPEN TECHNOLOGY INC /DE/ (AZPN)

Role: Senior VP & General Counsel
Signature: /s/ F. G. Hammond
Issuer symbol: AZPN
Transactions as of: 09 Aug 2021
Net transactions value: -$493,200
Form type: 4
Filing time: 10 Aug 2021, 16:30:29 UTC
Previous filing: 23 Jul 2021
Next filing: 03 Sep 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AZPN	Common Stock	Sale	$493,200	-3,288	-15%	$150.00	19,028	09 Aug 2021	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 25, 2021.